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Physics / Math / Engineering


Physics and Mathematics

  1. Alternative theories

Formulae, ideas, theories, speed of light, black holes...

  • 2649 topics
  • 37068 replies
Experimental Proof That Ene... - last post by exchemist

Astronomy and Space

Space, Human spaceflight, space probes and the exploration of our Solar System. No personal theories or speculation please.

  • 1207 topics
  • 23034 replies
Time Lapse Of The Stars - last post by Turtle

Engineering and Applied Science

The art of applying science to specific problems. Materials, construction, technical issues and related topics.

  • 245 topics
  • 2445 replies
Is There Any Option For Me... - last post by fahrquad